Comparison of Conventional and Pattern Scanning Pan-retinal Photocoagulation on Diabetic Patients visual field
محل انتشار: بیست و نهمین کنگره سالیانه انجمن چشم پزشکی ایران
سال انتشار: 1398
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 413
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شناسه ملی سند علمی:
ACSOMED29_054
تاریخ نمایه سازی: 30 آذر 1398
چکیده مقاله:
Purpose: to compare visual field defects in two different methods of conventional pan retinal photocoagulation (PRP) and Pattern Scanning PRP in patients with proliferative diabetic or very severe non- proliferative diabetic retinopathy. Methods: Twenty patients with proliferative or very severe non-proliferative diabetic retinopathy were enrolled. Only patients with same severity score in both eyes were included. One eye underwent the Conventional PRP and the other eye Pattern Scanning PRP simultaneously. SITA Standard perimetry was repeated one month after the initial PRP and evaluated for visual field defects. Results: Pattern standard deviation (PSD) significantly increased in both pattern and conventional PRP groups within one month after PRP. There was no significant difference between the mean PSD values of the two groups before PRP and after one month of the follow-up.The mean deviation (MD) level significantly decreased in the conventional group after 1 month. Conclusion: Changes in visual acuity and visual field of patients between the two Pattern and conventional PRP methods did not show a significant difference but pattern PRP method causes less reduction of the overall sensitivity in the patient s visual field.
نویسندگان
Mohamadreza Niyousha
Farabi Eye Hospital
Mohamadhosein Ahoor
Farabi Eye Hospital
Amir Abdollah Eftekhari
Farabi Eye Hospital
Sasan Jafari
Farabi Eye Hospital
Narges Hassanpoor
Farabi Eye Hospital